轮廓(outline)是绘制于元素周围的一条线,位于边框边缘的外围,可起到突出元素的作用。
轮廓(outline)属性指定元素轮廓的样式、颜色和宽度。
border:1px solid red; outline-style:dotted; outline-color:#00ff00;
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title></title> <style> p { border:1px solid red; } p.dotted { outline-style:dotted ;} p.dashed { outline-style:dashed; } p.solid { outline-style:solid; } p.double { outline-style:double; } p.groove { outline-style:groove; } p.ridge { outline-style:ridge; } p.inset { outline-style:inset; } p.outset { outline-style:outset; } </style> </head> <body> <p class="dotted">点线轮廓</p> <p class="dashed">虚线轮廓</p> <p class="solid">实线轮廓</p> <p class="double">双线轮廓</p> <p class="groove">凹槽轮廓</p> <p class="ridge">垄状轮廓</p> <p class="inset">嵌入轮廓</p> <p class="outset">外凸轮廓</p> <p><b>注意:</b> 如果只有一个 !DOCTYPE 指定 IE 8 支持 outline 属性。</p> </body> </html>
p.one { border:1px solid red; outline-style:solid; outline-width:thin; } p.two { border:1px solid red; outline-style:dotted; outline-width:3px; } </style> </head> <body> <p class="one">This is some text in a paragraph.</p> <p class="two">This is some text in a paragraph.</p>
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